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lalaween098
30.05.2020 •
Chemistry
What are surfactants and give an example of one? Why are they important in emulsification?
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Ответ:
Complete Question
Despite the destruction from Hurricane Katrina in Sept 2005,the lowest pressure for a hurricane in the Atlantic Ocean was measured several weeks after Katrina. Hurricane Wilma registered at atmospheric pressure of 88.2 kPa on Oct 19, 2005,about 2 kPa lower than Hurricane Katrinia. What was the difference between the two hurricanes in:
millimeters of Hg? ___ mm Hg
atmospheres? ___ atm
millibars? ___ mb
The difference in pressure in mm of Hg is![Pg = 15.05 \ mm\ Hg](/tpl/images/0651/3792/ba6e5.png)
The difference in pressure in atm is![P_{atm} = 0.0198 \ atm](/tpl/images/0651/3792/82c2d.png)
The difference in pressure in millibar is![P_{bar} = 20 \ mbar](/tpl/images/0651/3792/c2d67.png)
Explanation:
From the question we are told that
The pressure of Hurricane Wilma is![P = 88 kPa](/tpl/images/0651/3792/3c813.png)
The difference is pressure is![\Delta P =2\ k Pa](/tpl/images/0651/3792/0030e.png)
Generally
The pressure difference in mm Hg is mathematically evaluated as
Substituting the value
The pressure difference in atm is
The pressure in millibars is